suggestion

Sources

• LEVINSON 1983 50-51

  LEVINSON, Stephen C. (1983) Pragmatics. Cambridge: Cambridge University Press. 

• HALLIDAY 1994 89

  HALLIDAY, M.A.K. (1994) An Introduction to Functional Grammar (Second Edition). London: Edward Arnold. 

• BROWN & LEVINSON 66

  BROWN, Penelope & LEVINSON, Stephen C. (1987) Politeness: Some universals in language usage. Cambridge : Cambridge University Press.

• SEARLE 1979 52

  SEARLE, John R. (1979) Expression & Meaning: Studies in the Theory of Speech Acts. Cambridge: Cambridge University Press.